Resonator design as well as the control of the beam shape are essential for successful application. A huge flat bed system (3,5 x 2,5 m) called 'Big Bertha' and a long optical bench (12 m) called 'Long Bertha' with flexible beam rails has been build as a basic research setup. Allmost all kinds of laser sources, optical components and measurement devices can be mounted and easily positioned with a special system called 'Beam Rail'. Additionally a twin hexapod operated beam expander with variable lenses can be used e.g. in order to optimize magnification factors for AOMs. Results of accurate M2 measurements of different laser sources are presented as well as the influence of various optical elements and examples for close to perfect beam paths are given.

Laser-beam characterization and measurement of laser-beam parameters including external optics with a fully automated twin hexapod operated beam expander and evaluation of the influence of optical components on beam quality with defined tilts and shifts (Conference Presentation)

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Journal of Applied Remote SensingJournal of Astronomical Telescopes Instruments and SystemsJournal of Biomedical OpticsJournal of Electronic ImagingJournal of Medical ImagingJournal of Micro/Nanolithography, MEMS, and MOEMSJournal of NanophotonicsJournal of Photonics for EnergyNeurophotonicsOptical EngineeringSPIE Reviews